vcs.maemo.org Git - connman/blob - src/element.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdarg.h>
  28 #include <string.h>
  29
  30 #include <glib.h>
  31 #include <gdbus.h>
  32
  33 #include "connman.h"
  34
  35 static DBusConnection *connection;
  36
  37 static GNode *element_root = NULL;
  38 static GSList *driver_list = NULL;
  39 static gchar *device_filter = NULL;
  40
  41 static struct {
  42         enum connman_property_id id;
  43         int type;
  44         const char *name;
  45         const void *value;
  46 } propid_table[] = {
  47         { CONNMAN_PROPERTY_ID_IPV4_METHOD,
  48                 DBUS_TYPE_STRING, "IPv4.Method", "dhcp" },
  49         { CONNMAN_PROPERTY_ID_IPV4_ADDRESS,
  50                 DBUS_TYPE_STRING, "IPv4.Address" },
  51         { CONNMAN_PROPERTY_ID_IPV4_NETMASK,
  52                 DBUS_TYPE_STRING, "IPv4.Netmask" },
  53         { CONNMAN_PROPERTY_ID_IPV4_GATEWAY,
  54                 DBUS_TYPE_STRING, "IPv4.Gateway" },
  55         { CONNMAN_PROPERTY_ID_IPV4_NAMESERVER,
  56                 DBUS_TYPE_STRING, "IPv4.Nameserver" },
  57
  58         { CONNMAN_PROPERTY_ID_WIFI_SECURITY,
  59                 DBUS_TYPE_STRING, "WiFi.Security" },
  60         { CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE,
  61                 DBUS_TYPE_STRING, "WiFi.Passphrase" },
  62
  63         { }
  64 };
  65
  66 static int propid2type(enum connman_property_id id)
  67 {
  68         int i;
  69
  70         for (i = 0; propid_table[i].name; i++) {
  71                 if (propid_table[i].id == id)
  72                         return propid_table[i].type;
  73         }
  74
  75         return DBUS_TYPE_INVALID;
  76 }
  77
  78 static const char *propid2name(enum connman_property_id id)
  79 {
  80         int i;
  81
  82         for (i = 0; propid_table[i].name; i++) {
  83                 if (propid_table[i].id == id)
  84                         return propid_table[i].name;
  85         }
  86
  87         return NULL;
  88 }
  89
  90 static const char *type2string(enum connman_element_type type)
  91 {
  92         switch (type) {
  93         case CONNMAN_ELEMENT_TYPE_UNKNOWN:
  94                 return "unknown";
  95         case CONNMAN_ELEMENT_TYPE_ROOT:
  96                 return "root";
  97         case CONNMAN_ELEMENT_TYPE_PROFILE:
  98                 return "profile";
  99         case CONNMAN_ELEMENT_TYPE_DEVICE:
 100                 return "device";
 101         case CONNMAN_ELEMENT_TYPE_NETWORK:
 102                 return "network";
 103         case CONNMAN_ELEMENT_TYPE_SERVICE:
 104                 return "service";
 105         case CONNMAN_ELEMENT_TYPE_IPV4:
 106                 return "ipv4";
 107         case CONNMAN_ELEMENT_TYPE_IPV6:
 108                 return "ipv6";
 109         case CONNMAN_ELEMENT_TYPE_DHCP:
 110                 return "dhcp";
 111         case CONNMAN_ELEMENT_TYPE_BOOTP:
 112                 return "bootp";
 113         case CONNMAN_ELEMENT_TYPE_ZEROCONF:
 114                 return "zeroconf";
 115         case CONNMAN_ELEMENT_TYPE_RESOLVER:
 116                 return "resolver";
 117         case CONNMAN_ELEMENT_TYPE_CONNECTION:
 118                 return "connection";
 119         }
 120
 121         return NULL;
 122 }
 123
 124 static const char *subtype2string(enum connman_element_subtype type)
 125 {
 126         switch (type) {
 127         case CONNMAN_ELEMENT_SUBTYPE_UNKNOWN:
 128                 return "unknown";
 129         case CONNMAN_ELEMENT_SUBTYPE_FAKE:
 130                 return "fake";
 131         case CONNMAN_ELEMENT_SUBTYPE_NETWORK:
 132                 return "network";
 133         case CONNMAN_ELEMENT_SUBTYPE_ETHERNET:
 134                 return "ethernet";
 135         case CONNMAN_ELEMENT_SUBTYPE_WIFI:
 136                 return "wifi";
 137         case CONNMAN_ELEMENT_SUBTYPE_WIMAX:
 138                 return "wimax";
 139         case CONNMAN_ELEMENT_SUBTYPE_MODEM:
 140                 return "modem";
 141         case CONNMAN_ELEMENT_SUBTYPE_BLUETOOTH:
 142                 return "bluetooth";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 const char *__connman_element_policy2string(enum connman_element_policy policy)
 149 {
 150         switch (policy) {
 151         case CONNMAN_ELEMENT_POLICY_UNKNOWN:
 152                 return "unknown";
 153         case CONNMAN_ELEMENT_POLICY_OFF:
 154                 return "off";
 155         case CONNMAN_ELEMENT_POLICY_AUTO:
 156                 return "auto";
 157         case CONNMAN_ELEMENT_POLICY_IGNORE:
 158                 return "ignore";
 159         case CONNMAN_ELEMENT_POLICY_ASK:
 160                 return "ask";
 161         }
 162
 163         return NULL;
 164 }
 165
 166 enum connman_element_policy __connman_element_string2policy(const char *policy)
 167 {
 168         if (strcasecmp(policy, "off") == 0)
 169                 return CONNMAN_ELEMENT_POLICY_OFF;
 170         else if (strcasecmp(policy, "ignore") == 0)
 171                 return CONNMAN_ELEMENT_POLICY_IGNORE;
 172         else if (strcasecmp(policy, "auto") == 0)
 173                 return CONNMAN_ELEMENT_POLICY_AUTO;
 174         else if (strcasecmp(policy, "ask") == 0)
 175                 return CONNMAN_ELEMENT_POLICY_ASK;
 176         else
 177                 return CONNMAN_ELEMENT_POLICY_UNKNOWN;
 178 }
 179
 180 const char *__connman_ipv4_method2string(enum connman_ipv4_method method)
 181 {
 182         switch (method) {
 183         case CONNMAN_IPV4_METHOD_UNKNOWN:
 184                 return "unknown";
 185         case CONNMAN_IPV4_METHOD_OFF:
 186                 return "off";
 187         case CONNMAN_IPV4_METHOD_STATIC:
 188                 return "static";
 189         case CONNMAN_IPV4_METHOD_DHCP:
 190                 return "dhcp";
 191         }
 192
 193         return "unknown";
 194 }
 195
 196 enum connman_ipv4_method __connman_ipv4_string2method(const char *method)
 197 {
 198         if (strcasecmp(method, "off") == 0)
 199                 return CONNMAN_IPV4_METHOD_OFF;
 200         else if (strcasecmp(method, "static") == 0)
 201                 return CONNMAN_IPV4_METHOD_STATIC;
 202         else if (strcasecmp(method, "dhcp") == 0)
 203                 return CONNMAN_IPV4_METHOD_DHCP;
 204         else
 205                 return CONNMAN_IPV4_METHOD_UNKNOWN;
 206 }
 207
 208 static void append_property(DBusMessageIter *dict,
 209                                 struct connman_property *property)
 210 {
 211         if (property->value == NULL)
 212                 return;
 213
 214         switch (property->type) {
 215         case DBUS_TYPE_ARRAY:
 216                 connman_dbus_dict_append_array(dict, property->name,
 217                         property->subtype, &property->value, property->size);
 218                 break;
 219         case DBUS_TYPE_STRING:
 220                 connman_dbus_dict_append_variant(dict, property->name,
 221                                         property->type, &property->value);
 222                 break;
 223         default:
 224                 connman_dbus_dict_append_variant(dict, property->name,
 225                                         property->type, property->value);
 226                 break;
 227         }
 228 }
 229
 230 static void add_common_properties(struct connman_element *element,
 231                                                 DBusMessageIter *dict)
 232 {
 233         const char *address = NULL, *netmask = NULL, *gateway = NULL;
 234         GSList *list;
 235
 236         connman_element_get_value(element,
 237                                 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
 238         connman_element_get_value(element,
 239                                 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
 240         connman_element_get_value(element,
 241                                 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
 242
 243         if (element->priority > 0)
 244                 connman_dbus_dict_append_variant(dict, "Priority",
 245                                         DBUS_TYPE_UINT16, &element->priority);
 246
 247         if (address != NULL)
 248                 connman_dbus_dict_append_variant(dict, "IPv4.Address",
 249                                                 DBUS_TYPE_STRING, &address);
 250         if (netmask != NULL)
 251                 connman_dbus_dict_append_variant(dict, "IPv4.Netmask",
 252                                                 DBUS_TYPE_STRING, &netmask);
 253         if (gateway != NULL)
 254                 connman_dbus_dict_append_variant(dict, "IPv4.Gateway",
 255                                                 DBUS_TYPE_STRING, &gateway);
 256
 257         if (element->wifi.security != NULL) {
 258                 const char *passphrase = "";
 259
 260                 connman_dbus_dict_append_variant(dict, "WiFi.Security",
 261                                 DBUS_TYPE_STRING, &element->wifi.security);
 262
 263                 if (element->wifi.passphrase != NULL)
 264                         passphrase = element->wifi.passphrase;
 265
 266                 connman_dbus_dict_append_variant(dict, "WiFi.Passphrase",
 267                                 DBUS_TYPE_STRING, &passphrase);
 268         }
 269
 270         __connman_element_lock(element);
 271
 272         for (list = element->properties; list; list = list->next) {
 273                 struct connman_property *property = list->data;
 274
 275                 append_property(dict, property);
 276         }
 277
 278         __connman_element_unlock(element);
 279 }
 280
 281 static void set_common_property(struct connman_element *element,
 282                                 const char *name, DBusMessageIter *value)
 283 {
 284         GSList *list;
 285
 286         if (g_str_equal(name, "Priority") == TRUE) {
 287                 dbus_message_iter_get_basic(value, &element->priority);
 288                 return;
 289         }
 290
 291         __connman_element_lock(element);
 292
 293         for (list = element->properties; list; list = list->next) {
 294                 struct connman_property *property = list->data;
 295                 const char *str;
 296
 297                 if (g_str_equal(property->name, name) == FALSE)
 298                         continue;
 299
 300                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 301                         continue;
 302
 303                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
 304
 305                 if (property->type == DBUS_TYPE_STRING) {
 306                         dbus_message_iter_get_basic(value, &str);
 307                         g_free(property->value);
 308                         property->value = g_strdup(str);
 309                 } else
 310                         property->value = NULL;
 311         }
 312
 313         __connman_element_unlock(element);
 314 }
 315
 316 static DBusMessage *do_update(DBusConnection *conn,
 317                                         DBusMessage *msg, void *data)
 318 {
 319         struct connman_element *element = data;
 320
 321         DBG("conn %p", conn);
 322
 323         if (element->enabled == FALSE)
 324                 return __connman_error_failed(msg);
 325
 326         if (element->driver && element->driver->update) {
 327                 DBG("Calling update callback");
 328                 if (element->driver->update(element) < 0)
 329                         return __connman_error_failed(msg);
 330
 331         }
 332
 333         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 334 }
 335
 336 static DBusMessage *do_enable(DBusConnection *conn,
 337                                         DBusMessage *msg, void *data)
 338 {
 339         struct connman_element *element = data;
 340
 341         DBG("conn %p", conn);
 342
 343         if (element->enabled == TRUE)
 344                 return __connman_error_failed(msg);
 345
 346         if (element->driver && element->driver->enable) {
 347                 DBG("Calling enable callback");
 348                 if (element->driver->enable(element) < 0)
 349                         return __connman_error_failed(msg);
 350         }
 351
 352         element->enabled = TRUE;
 353
 354 #if 0
 355         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 356                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 357                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 358                                                         DBUS_TYPE_INVALID);
 359 #endif
 360
 361         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 362 }
 363
 364 static DBusMessage *do_disable(DBusConnection *conn,
 365                                         DBusMessage *msg, void *data)
 366 {
 367         struct connman_element *element = data;
 368
 369         DBG("conn %p", conn);
 370
 371         if (element->enabled == FALSE)
 372                 return __connman_error_failed(msg);
 373
 374         if (element->driver && element->driver->disable) {
 375                 DBG("Calling disable callback");
 376                 if (element->driver->disable(element) < 0)
 377                         return __connman_error_failed(msg);
 378         }
 379
 380         element->enabled = FALSE;
 381
 382 #if 0
 383         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
 384                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
 385                                 DBUS_TYPE_OBJECT_PATH, &element->path,
 386                                                         DBUS_TYPE_INVALID);
 387 #endif
 388
 389         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 390 }
 391
 392 static void append_networks(struct connman_element *element,
 393                                                 DBusMessageIter *entry)
 394 {
 395         DBusMessageIter value, iter;
 396         const char *key = "Networks";
 397
 398         if (element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIFI &&
 399                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_WIMAX)
 400                 return;
 401
 402         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 403
 404         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 405                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 406                                                                 &value);
 407
 408         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 409                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 410
 411         __connman_element_list(element, CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 412
 413         dbus_message_iter_close_container(&value, &iter);
 414
 415         dbus_message_iter_close_container(entry, &value);
 416 }
 417
 418 static DBusMessage *device_get_properties(DBusConnection *conn,
 419                                         DBusMessage *msg, void *data)
 420 {
 421         struct connman_element *element = data;
 422         DBusMessage *reply;
 423         DBusMessageIter array, dict, entry;
 424         const char *str;
 425
 426         DBG("conn %p", conn);
 427
 428         reply = dbus_message_new_method_return(msg);
 429         if (reply == NULL)
 430                 return NULL;
 431
 432         dbus_message_iter_init_append(reply, &array);
 433
 434         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 435                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 436                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 437                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 438
 439         str = subtype2string(element->subtype);
 440         if (str != NULL)
 441                 connman_dbus_dict_append_variant(&dict, "Type",
 442                                                 DBUS_TYPE_STRING, &str);
 443
 444         str = __connman_element_policy2string(element->policy);
 445         if (str != NULL)
 446                 connman_dbus_dict_append_variant(&dict, "Policy",
 447                                                 DBUS_TYPE_STRING, &str);
 448
 449         connman_dbus_dict_append_variant(&dict, "Powered",
 450                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 451
 452         dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY,
 453                                                                 NULL, &entry);
 454
 455         append_networks(element, &dict);
 456
 457         dbus_message_iter_close_container(&dict, &entry);
 458
 459         add_common_properties(element, &dict);
 460
 461         dbus_message_iter_close_container(&array, &dict);
 462
 463         return reply;
 464 }
 465
 466 static DBusMessage *device_set_property(DBusConnection *conn,
 467                                         DBusMessage *msg, void *data)
 468 {
 469         struct connman_element *element = data;
 470         DBusMessageIter iter, value;
 471         const char *name;
 472
 473         DBG("conn %p", conn);
 474
 475         if (dbus_message_iter_init(msg, &iter) == FALSE)
 476                 return __connman_error_invalid_arguments(msg);
 477
 478         dbus_message_iter_get_basic(&iter, &name);
 479         dbus_message_iter_next(&iter);
 480         dbus_message_iter_recurse(&iter, &value);
 481
 482         if (__connman_security_check_privileges(msg) < 0)
 483                 return __connman_error_permission_denied(msg);
 484
 485         if (g_str_equal(name, "Powered") == TRUE) {
 486                 dbus_bool_t powered;
 487
 488                 dbus_message_iter_get_basic(&value, &powered);
 489
 490                 if (powered == TRUE)
 491                         do_enable(conn, msg, data);
 492                 else
 493                         do_disable(conn, msg, data);
 494         } else
 495                 set_common_property(element, name, &value);
 496
 497         __connman_element_store(element);
 498
 499         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 500 }
 501
 502 static int parse_network_dict(DBusMessageIter *iter, const char **ssid,
 503                                 const char **security, const char **passphrase)
 504 {
 505         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_DICT_ENTRY) {
 506                 DBusMessageIter entry, value;
 507                 const char *key;
 508
 509                 dbus_message_iter_recurse(iter, &entry);
 510                 dbus_message_iter_get_basic(&entry, &key);
 511
 512                 dbus_message_iter_next(&entry);
 513                 dbus_message_iter_recurse(&entry, &value);
 514
 515                 switch (dbus_message_iter_get_arg_type(&value)) {
 516                 case DBUS_TYPE_STRING:
 517                         if (g_str_equal(key, "WiFi.SSID") == TRUE)
 518                                 dbus_message_iter_get_basic(&value, ssid);
 519                         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 520                                 dbus_message_iter_get_basic(&value, security);
 521                         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 522                                 dbus_message_iter_get_basic(&value, passphrase);
 523                         break;
 524                 }
 525
 526                 dbus_message_iter_next(iter);
 527         }
 528
 529         return 0;
 530 }
 531
 532 static DBusMessage *device_create_network(DBusConnection *conn,
 533                                         DBusMessage *msg, void *data)
 534 {
 535         struct connman_element *element = data;
 536         struct connman_element *network;
 537         DBusMessageIter iter, array;
 538         const char *ssid = NULL, *security = NULL, *passphrase = NULL;
 539
 540         DBG("conn %p", conn);
 541
 542         if (dbus_message_iter_init(msg, &iter) == FALSE)
 543                 return __connman_error_invalid_arguments(msg);
 544
 545         dbus_message_iter_recurse(&iter, &array);
 546         parse_network_dict(&array, &ssid, &security, &passphrase);
 547         if (ssid == NULL)
 548                 return __connman_error_invalid_arguments(msg);
 549
 550         DBG("ssid %s security %s passphrase %s", ssid, security, passphrase);
 551
 552         network = connman_element_create(ssid);
 553
 554         network->type = CONNMAN_ELEMENT_TYPE_NETWORK;
 555         network->index = element->index;
 556
 557         network->remember = TRUE;
 558
 559         connman_element_add_static_property(network, "Name",
 560                                                 DBUS_TYPE_STRING, &ssid);
 561
 562         connman_element_add_static_array_property(element, "WiFi.SSID",
 563                                         DBUS_TYPE_BYTE, &ssid, strlen(ssid));
 564
 565         network->wifi.security = g_strdup(security);
 566         network->wifi.passphrase = g_strdup(passphrase);
 567
 568         connman_element_register(network, element);
 569
 570         return g_dbus_create_reply(msg, DBUS_TYPE_OBJECT_PATH, &network->path,
 571                                                         DBUS_TYPE_INVALID);
 572 }
 573
 574 static DBusMessage *device_remove_network(DBusConnection *conn,
 575                                         DBusMessage *msg, void *data)
 576 {
 577         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 578 }
 579
 580 static DBusMessage *network_get_properties(DBusConnection *conn,
 581                                         DBusMessage *msg, void *data)
 582 {
 583         struct connman_element *element = data;
 584         DBusMessage *reply;
 585         DBusMessageIter array, dict;
 586         const char *str;
 587
 588         DBG("conn %p", conn);
 589
 590         reply = dbus_message_new_method_return(msg);
 591         if (reply == NULL)
 592                 return NULL;
 593
 594         dbus_message_iter_init_append(reply, &array);
 595
 596         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 597                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 598                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 599                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 600
 601         str = __connman_element_policy2string(element->policy);
 602         if (str != NULL)
 603                 connman_dbus_dict_append_variant(&dict, "Policy",
 604                                                 DBUS_TYPE_STRING, &str);
 605
 606         connman_dbus_dict_append_variant(&dict, "Available",
 607                                         DBUS_TYPE_BOOLEAN, &element->available);
 608
 609         connman_dbus_dict_append_variant(&dict, "Connected",
 610                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 611
 612         connman_dbus_dict_append_variant(&dict, "Remember",
 613                                         DBUS_TYPE_BOOLEAN, &element->remember);
 614
 615         add_common_properties(element, &dict);
 616
 617         dbus_message_iter_close_container(&array, &dict);
 618
 619         return reply;
 620 }
 621
 622 static DBusMessage *network_set_property(DBusConnection *conn,
 623                                         DBusMessage *msg, void *data)
 624 {
 625         struct connman_element *element = data;
 626         DBusMessageIter iter;
 627         DBusMessageIter value;
 628         const char *name;
 629
 630         DBG("conn %p", conn);
 631
 632         if (dbus_message_iter_init(msg, &iter) == FALSE)
 633                 return __connman_error_invalid_arguments(msg);
 634
 635         dbus_message_iter_get_basic(&iter, &name);
 636         dbus_message_iter_next(&iter);
 637         dbus_message_iter_recurse(&iter, &value);
 638
 639         if (__connman_security_check_privileges(msg) < 0)
 640                 return __connman_error_permission_denied(msg);
 641
 642         if (g_str_equal(name, "Remember") == TRUE) {
 643                 dbus_message_iter_get_basic(&value, &element->remember);
 644         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 645                 const char *str;
 646
 647                 dbus_message_iter_get_basic(&value, &str);
 648                 g_free(element->wifi.passphrase);
 649                 element->wifi.passphrase = g_strdup(str);
 650         } else
 651                 set_common_property(element, name, &value);
 652
 653         __connman_element_store(element);
 654
 655         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 656 }
 657
 658 static DBusMessage *get_connection_properties(DBusConnection *conn,
 659                                         DBusMessage *msg, void *data)
 660 {
 661         struct connman_element *element = data;
 662         DBusMessage *reply;
 663         DBusMessageIter array, dict;
 664
 665         DBG("conn %p", conn);
 666
 667         reply = dbus_message_new_method_return(msg);
 668         if (reply == NULL)
 669                 return NULL;
 670
 671         dbus_message_iter_init_append(reply, &array);
 672
 673         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 674                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 675                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 676                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 677
 678         add_common_properties(element, &dict);
 679
 680         dbus_message_iter_close_container(&array, &dict);
 681
 682         return reply;
 683 }
 684
 685 #if 0
 686 static DBusMessage *get_properties(DBusConnection *conn,
 687                                         DBusMessage *msg, void *data)
 688 {
 689         struct connman_element *element = data;
 690         DBusMessage *reply;
 691         DBusMessageIter array, dict;
 692         const char *str;
 693
 694         DBG("conn %p", conn);
 695
 696         reply = dbus_message_new_method_return(msg);
 697         if (reply == NULL)
 698                 return NULL;
 699
 700         dbus_message_iter_init_append(reply, &array);
 701
 702         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 703                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 704                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 705                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 706
 707         if (element->parent != NULL &&
 708                         element->parent->type != CONNMAN_ELEMENT_TYPE_ROOT) {
 709                 connman_dbus_dict_append_variant(&dict, "Parent",
 710                                 DBUS_TYPE_OBJECT_PATH, &element->parent->path);
 711         }
 712
 713         str = type2string(element->type);
 714         if (str != NULL)
 715                 connman_dbus_dict_append_variant(&dict, "Type",
 716                                                 DBUS_TYPE_STRING, &str);
 717         str = subtype2string(element->subtype);
 718         if (str != NULL)
 719                 connman_dbus_dict_append_variant(&dict, "Subtype",
 720                                                 DBUS_TYPE_STRING, &str);
 721
 722         connman_dbus_dict_append_variant(&dict, "Enabled",
 723                                         DBUS_TYPE_BOOLEAN, &element->enabled);
 724
 725         add_common_properties(element, &dict);
 726
 727         dbus_message_iter_close_container(&array, &dict);
 728
 729         return reply;
 730 }
 731
 732 static DBusMessage *set_property(DBusConnection *conn,
 733                                         DBusMessage *msg, void *data)
 734 {
 735         struct connman_element *element = data;
 736         DBusMessageIter iter;
 737         DBusMessageIter value;
 738         const char *name;
 739
 740         DBG("conn %p", conn);
 741
 742         if (dbus_message_iter_init(msg, &iter) == FALSE)
 743                 return __connman_error_invalid_arguments(msg);
 744
 745         dbus_message_iter_get_basic(&iter, &name);
 746         dbus_message_iter_next(&iter);
 747         dbus_message_iter_recurse(&iter, &value);
 748
 749         if (__connman_security_check_privileges(msg) < 0)
 750                 return __connman_error_permission_denied(msg);
 751
 752         set_common_property(element, name, &value);
 753
 754         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 755 }
 756
 757 static DBusMessage *clear_property(DBusConnection *conn,
 758                                         DBusMessage *msg, void *data)
 759 {
 760         struct connman_element *element = data;
 761         const char *name;
 762         GSList *list;
 763
 764         DBG("conn %p", conn);
 765
 766         if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
 767                                                 DBUS_TYPE_INVALID) == FALSE)
 768                 return __connman_error_invalid_arguments(msg);
 769
 770         if (__connman_security_check_privileges(msg) < 0)
 771                 return __connman_error_permission_denied(msg);
 772
 773         __connman_element_lock(element);
 774
 775         for (list = element->properties; list; list = list->next) {
 776                 struct connman_property *property = list->data;
 777
 778                 if (g_str_equal(property->name, name) == FALSE)
 779                         continue;
 780
 781                 if (property->flags & CONNMAN_PROPERTY_FLAG_STATIC)
 782                         continue;
 783
 784                 if (property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE)
 785                         continue;
 786
 787                 property->flags |= CONNMAN_PROPERTY_FLAG_REFERENCE;
 788
 789                 if (property->type == DBUS_TYPE_STRING)
 790                         g_free(property->value);
 791
 792                 property->value = NULL;
 793         }
 794
 795         __connman_element_unlock(element);
 796
 797         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 798 }
 799
 800 static GDBusMethodTable element_methods[] = {
 801         { "GetProperties", "",   "a{sv}", get_properties },
 802         { "SetProperty",   "sv", "",      set_property   },
 803         { "ClearProperty", "s",  "",      clear_property },
 804         { "Update",        "",   "",      do_update      },
 805         { "Enable",        "",   "",      do_enable      },
 806         { "Disable",       "",   "",      do_disable     },
 807         { },
 808 };
 809 #endif
 810
 811 static GDBusSignalTable element_signals[] = {
 812         { "PropertyChanged", "sv" },
 813         { },
 814 };
 815
 816 static GDBusMethodTable device_methods[] = {
 817         { "GetProperties", "",      "a{sv}", device_get_properties },
 818         { "SetProperty",   "sv",    "",      device_set_property   },
 819         { "CreateNetwork", "a{sv}", "o",     device_create_network },
 820         { "RemoveNetwork", "o",     "",      device_remove_network },
 821         { "ProposeScan",   "",      "",      do_update             },
 822         { },
 823 };
 824
 825 static GDBusMethodTable network_methods[] = {
 826         { "GetProperties", "",   "a{sv}", network_get_properties },
 827         { "SetProperty",   "sv", "",      network_set_property   },
 828         { "Connect",       "",   "",      do_enable              },
 829         { "Disconnect",    "",   "",      do_disable             },
 830         { },
 831 };
 832
 833 static GDBusMethodTable connection_methods[] = {
 834         { "GetProperties", "",   "a{sv}", get_connection_properties },
 835         { },
 836 };
 837
 838 struct append_filter {
 839         enum connman_element_type type;
 840         DBusMessageIter *iter;
 841 };
 842
 843 static gboolean append_path(GNode *node, gpointer user_data)
 844 {
 845         struct connman_element *element = node->data;
 846         struct append_filter *filter = user_data;
 847
 848         DBG("element %p name %s", element, element->name);
 849
 850         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 851                 return FALSE;
 852
 853         if (filter->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 854                                         filter->type != element->type)
 855                 return FALSE;
 856
 857         if (filter->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
 858                         element->subtype == CONNMAN_ELEMENT_SUBTYPE_NETWORK)
 859                 return FALSE;
 860
 861         dbus_message_iter_append_basic(filter->iter,
 862                                 DBUS_TYPE_OBJECT_PATH, &element->path);
 863
 864         return FALSE;
 865 }
 866
 867 void __connman_element_list(struct connman_element *element,
 868                                         enum connman_element_type type,
 869                                                         DBusMessageIter *iter)
 870 {
 871         struct append_filter filter = { type, iter };
 872         GNode *node;
 873
 874         DBG("");
 875
 876         if (element != NULL) {
 877                 node = g_node_find(element_root, G_PRE_ORDER,
 878                                                 G_TRAVERSE_ALL, element);
 879                 if (node == NULL)
 880                         return;
 881         } else
 882                 node = element_root;
 883
 884         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 885                                                 append_path, &filter);
 886 }
 887
 888 struct count_data {
 889         enum connman_element_type type;
 890         int count;
 891 };
 892
 893 static gboolean count_element(GNode *node, gpointer user_data)
 894 {
 895         struct connman_element *element = node->data;
 896         struct count_data *data = user_data;
 897
 898         DBG("element %p name %s", element, element->name);
 899
 900         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 901                 return FALSE;
 902
 903         if (data->type != CONNMAN_ELEMENT_TYPE_UNKNOWN &&
 904                                         data->type != element->type)
 905                 return FALSE;
 906
 907         data->count++;
 908
 909         return FALSE;
 910 }
 911
 912 int __connman_element_count(struct connman_element *element,
 913                                         enum connman_element_type type)
 914 {
 915         struct count_data data = { type, 0 };
 916         GNode *node;
 917
 918         DBG("");
 919
 920         if (element != NULL) {
 921                 node = g_node_find(element_root, G_PRE_ORDER,
 922                                                 G_TRAVERSE_ALL, element);
 923                 if (node == NULL)
 924                         return 0;
 925         } else
 926                 node = element_root;
 927
 928         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 929                                                 count_element, &data);
 930
 931         return data.count;
 932 }
 933
 934 static gint compare_priority(gconstpointer a, gconstpointer b)
 935 {
 936         const struct connman_driver *driver1 = a;
 937         const struct connman_driver *driver2 = b;
 938
 939         return driver2->priority - driver1->priority;
 940 }
 941
 942 static gboolean match_driver(struct connman_element *element,
 943                                         struct connman_driver *driver)
 944 {
 945         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
 946                 return FALSE;
 947
 948         if (element->type != driver->type &&
 949                         driver->type != CONNMAN_ELEMENT_TYPE_UNKNOWN)
 950                 return FALSE;
 951
 952         if (element->subtype == driver->subtype ||
 953                         driver->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
 954                 return TRUE;
 955
 956         return FALSE;
 957 }
 958
 959 static void enable_element(struct connman_element *element)
 960 {
 961         if (element->type != CONNMAN_ELEMENT_TYPE_DEVICE)
 962                 return;
 963
 964         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
 965                 return;
 966
 967         if (element->driver && element->driver->enable) {
 968                 if (element->driver->enable(element) == 0)
 969                         element->enabled = TRUE;
 970         }
 971 }
 972
 973 static gboolean probe_driver(GNode *node, gpointer data)
 974 {
 975         struct connman_element *element = node->data;
 976         struct connman_driver *driver = data;
 977
 978         DBG("element %p name %s", element, element->name);
 979
 980         if (!element->driver && match_driver(element, driver) == TRUE) {
 981                 if (driver->probe(element) < 0)
 982                         return FALSE;
 983
 984                 __connman_element_lock(element);
 985                 element->driver = driver;
 986                 __connman_element_unlock(element);
 987
 988                 enable_element(element);
 989         }
 990
 991         return FALSE;
 992 }
 993
 994 void __connman_driver_rescan(struct connman_driver *driver)
 995 {
 996         DBG("driver %p name %s", driver, driver->name);
 997
 998         if (!driver->probe)
 999                 return;
1000
1001         if (element_root != NULL)
1002                 g_node_traverse(element_root, G_PRE_ORDER,
1003                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
1004 }
1005
1006 /**
1007  * connman_driver_register:
1008  * @driver: driver definition
1009  *
1010  * Register a new driver
1011  *
1012  * Returns: %0 on success
1013  */
1014 int connman_driver_register(struct connman_driver *driver)
1015 {
1016         DBG("driver %p name %s", driver, driver->name);
1017
1018         if (driver->type == CONNMAN_ELEMENT_TYPE_ROOT)
1019                 return -EINVAL;
1020
1021         if (!driver->probe)
1022                 return -EINVAL;
1023
1024         driver_list = g_slist_insert_sorted(driver_list, driver,
1025                                                         compare_priority);
1026
1027         if (element_root != NULL)
1028                 g_node_traverse(element_root, G_PRE_ORDER,
1029                                 G_TRAVERSE_ALL, -1, probe_driver, driver);
1030
1031         return 0;
1032 }
1033
1034 static void disable_element(struct connman_element *element)
1035 {
1036         if (element->policy != CONNMAN_ELEMENT_POLICY_AUTO)
1037                 return;
1038
1039         if (element->enabled == FALSE)
1040                 return;
1041
1042         if (element->driver && element->driver->disable) {
1043                 if (element->driver->disable(element) == 0)
1044                         element->enabled = FALSE;
1045         }
1046 }
1047
1048 static gboolean remove_driver(GNode *node, gpointer data)
1049 {
1050         struct connman_element *element = node->data;
1051         struct connman_driver *driver = data;
1052
1053         DBG("element %p name %s", element, element->name);
1054
1055         if (element->driver == driver) {
1056                 disable_element(element);
1057
1058                 if (driver->remove)
1059                         driver->remove(element);
1060
1061                 __connman_element_lock(element);
1062                 element->driver = NULL;
1063                 __connman_element_unlock(element);
1064         }
1065
1066         return FALSE;
1067 }
1068
1069 /**
1070  * connman_driver_unregister:
1071  * @driver: driver definition
1072  *
1073  * Remove a previously registered driver
1074  */
1075 void connman_driver_unregister(struct connman_driver *driver)
1076 {
1077         DBG("driver %p name %s", driver, driver->name);
1078
1079         driver_list = g_slist_remove(driver_list, driver);
1080
1081         if (element_root != NULL)
1082                 g_node_traverse(element_root, G_POST_ORDER,
1083                                 G_TRAVERSE_ALL, -1, remove_driver, driver);
1084 }
1085
1086 /**
1087  * connman_element_create:
1088  * @name: element name
1089  *
1090  * Allocate a new element and assign the given #name to it. If the name
1091  * is #NULL, it will be later on created based on the element type.
1092  *
1093  * Returns: a newly-allocated #connman_element structure
1094  */
1095 struct connman_element *connman_element_create(const char *name)
1096 {
1097         struct connman_element *element;
1098
1099         element = g_try_new0(struct connman_element, 1);
1100         if (element == NULL)
1101                 return NULL;
1102
1103         DBG("element %p", element);
1104
1105         element->refcount = 1;
1106
1107         element->name    = g_strdup(name);
1108         element->type    = CONNMAN_ELEMENT_TYPE_UNKNOWN;
1109         element->subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
1110         element->state   = CONNMAN_ELEMENT_STATE_CLOSED;
1111         element->policy  = CONNMAN_ELEMENT_POLICY_AUTO;
1112         element->index   = -1;
1113         element->enabled = FALSE;
1114
1115         return element;
1116 }
1117
1118 struct connman_element *connman_element_ref(struct connman_element *element)
1119 {
1120         DBG("element %p name %s refcount %d", element, element->name,
1121                                 g_atomic_int_get(&element->refcount) + 1);
1122
1123         g_atomic_int_inc(&element->refcount);
1124
1125         return element;
1126 }
1127
1128 static void free_properties(struct connman_element *element)
1129 {
1130         GSList *list;
1131
1132         DBG("element %p name %s", element, element->name);
1133
1134         __connman_element_lock(element);
1135
1136         for (list = element->properties; list; list = list->next) {
1137                 struct connman_property *property = list->data;
1138
1139                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1140                         g_free(property->value);
1141
1142                 g_free(property->name);
1143                 g_free(property);
1144         }
1145
1146         g_slist_free(element->properties);
1147
1148         element->properties = NULL;
1149
1150         __connman_element_unlock(element);
1151 }
1152
1153 void connman_element_unref(struct connman_element *element)
1154 {
1155         DBG("element %p name %s refcount %d", element, element->name,
1156                                 g_atomic_int_get(&element->refcount) - 1);
1157
1158         if (g_atomic_int_dec_and_test(&element->refcount) == TRUE) {
1159                 free_properties(element);
1160                 g_free(element->ipv4.address);
1161                 g_free(element->ipv4.netmask);
1162                 g_free(element->ipv4.gateway);
1163                 g_free(element->ipv4.network);
1164                 g_free(element->ipv4.broadcast);
1165                 g_free(element->ipv4.nameserver);
1166                 g_free(element->devname);
1167                 g_free(element->path);
1168                 g_free(element->name);
1169                 g_free(element);
1170         }
1171 }
1172
1173 int connman_element_add_static_property(struct connman_element *element,
1174                                 const char *name, int type, const void *value)
1175 {
1176         struct connman_property *property;
1177
1178         DBG("element %p name %s", element, element->name);
1179
1180         if (type != DBUS_TYPE_STRING && type != DBUS_TYPE_BYTE)
1181                 return -EINVAL;
1182
1183         property = g_try_new0(struct connman_property, 1);
1184         if (property == NULL)
1185                 return -ENOMEM;
1186
1187         property->flags = CONNMAN_PROPERTY_FLAG_STATIC;
1188         property->id    = CONNMAN_PROPERTY_ID_INVALID;
1189         property->name  = g_strdup(name);
1190         property->type  = type;
1191
1192         DBG("name %s type %d value %p", name, type, value);
1193
1194         switch (type) {
1195         case DBUS_TYPE_STRING:
1196                 property->value = g_strdup(*((const char **) value));
1197                 break;
1198         case DBUS_TYPE_BYTE:
1199                 property->value = g_try_malloc(1);
1200                 if (property->value != NULL)
1201                         memcpy(property->value, value, 1);
1202                 break;
1203         }
1204
1205         __connman_element_lock(element);
1206         element->properties = g_slist_append(element->properties, property);
1207         __connman_element_unlock(element);
1208
1209         return 0;
1210 }
1211
1212 int connman_element_add_static_array_property(struct connman_element *element,
1213                         const char *name, int type, const void *value, int len)
1214 {
1215         struct connman_property *property;
1216
1217         DBG("element %p name %s", element, element->name);
1218
1219         if (type != DBUS_TYPE_BYTE)
1220                 return -EINVAL;
1221
1222         property = g_try_new0(struct connman_property, 1);
1223         if (property == NULL)
1224                 return -ENOMEM;
1225
1226         property->flags   = CONNMAN_PROPERTY_FLAG_STATIC;
1227         property->id      = CONNMAN_PROPERTY_ID_INVALID;
1228         property->name    = g_strdup(name);
1229         property->type    = DBUS_TYPE_ARRAY;
1230         property->subtype = type;
1231
1232         DBG("name %s type %d value %p", name, type, value);
1233
1234         switch (type) {
1235         case DBUS_TYPE_BYTE:
1236                 property->value = g_try_malloc(len);
1237                 if (property->value != NULL) {
1238                         memcpy(property->value,
1239                                 *((const unsigned char **) value), len);
1240                         property->size = len;
1241                 }
1242                 break;
1243         }
1244
1245         __connman_element_lock(element);
1246         element->properties = g_slist_append(element->properties, property);
1247         __connman_element_unlock(element);
1248
1249         return 0;
1250 }
1251
1252 static void *get_reference_value(struct connman_element *element,
1253                                                 enum connman_property_id id)
1254 {
1255         GSList *list;
1256
1257         DBG("element %p name %s", element, element->name);
1258
1259         for (list = element->properties; list; list = list->next) {
1260                 struct connman_property *property = list->data;
1261
1262                 if (property->id != id)
1263                         continue;
1264
1265                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1266                         return property->value;
1267         }
1268
1269         if (element->parent == NULL)
1270                 return NULL;
1271
1272         return get_reference_value(element->parent, id);
1273 }
1274
1275 static void set_reference_properties(struct connman_element *element)
1276 {
1277         GSList *list;
1278
1279         DBG("element %p name %s", element, element->name);
1280
1281         for (list = element->properties; list; list = list->next) {
1282                 struct connman_property *property = list->data;
1283
1284                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_REFERENCE))
1285                         continue;
1286
1287                 property->value = get_reference_value(element->parent,
1288                                                                 property->id);
1289         }
1290 }
1291
1292 static struct connman_property *create_property(struct connman_element *element,
1293                                                 enum connman_property_id id)
1294 {
1295         struct connman_property *property;
1296         GSList *list;
1297
1298         DBG("element %p name %s", element, element->name);
1299
1300         __connman_element_lock(element);
1301
1302         for (list = element->properties; list; list = list->next) {
1303                 property = list->data;
1304
1305                 if (property->id == id)
1306                         goto unlock;
1307         }
1308
1309         property = g_try_new0(struct connman_property, 1);
1310         if (property == NULL)
1311                 goto unlock;
1312
1313         property->flags = CONNMAN_PROPERTY_FLAG_REFERENCE;
1314         property->id    = id;
1315         property->name  = g_strdup(propid2name(id));
1316         property->type  = propid2type(id);
1317
1318         if (property->name == NULL) {
1319                 g_free(property);
1320                 property = NULL;
1321                 goto unlock;
1322         }
1323
1324         element->properties = g_slist_append(element->properties, property);
1325
1326 unlock:
1327         __connman_element_unlock(element);
1328
1329         return property;
1330 }
1331
1332 static void create_default_properties(struct connman_element *element)
1333 {
1334         struct connman_property *property;
1335         int i;
1336
1337         DBG("element %p name %s", element, element->name);
1338
1339         for (i = 0; propid_table[i].name; i++) {
1340                 DBG("property %s", propid_table[i].name);
1341
1342                 property = create_property(element, propid_table[i].id);
1343
1344                 property->flags &= ~CONNMAN_PROPERTY_FLAG_REFERENCE;
1345
1346                 if (propid_table[i].type != DBUS_TYPE_STRING)
1347                         continue;
1348
1349                 if (propid_table[i].value)
1350                         property->value = g_strdup(propid_table[i].value);
1351                 else
1352                         property->value = g_strdup("");
1353         }
1354 }
1355
1356 static int define_properties_valist(struct connman_element *element,
1357                                                                 va_list args)
1358 {
1359         enum connman_property_id id;
1360
1361         DBG("element %p name %s", element, element->name);
1362
1363         id = va_arg(args, enum connman_property_id);
1364
1365         while (id != CONNMAN_PROPERTY_ID_INVALID) {
1366
1367                 DBG("property %d", id);
1368
1369                 create_property(element, id);
1370
1371                 id = va_arg(args, enum connman_property_id);
1372         }
1373
1374         return 0;
1375 }
1376
1377 /**
1378  * connman_element_define_properties:
1379  * @element: an element
1380  * @varargs: list of property identifiers
1381  *
1382  * Define the valid properties for an element.
1383  *
1384  * Returns: %0 on success
1385  */
1386 int connman_element_define_properties(struct connman_element *element, ...)
1387 {
1388         va_list args;
1389         int err;
1390
1391         DBG("element %p name %s", element, element->name);
1392
1393         va_start(args, element);
1394
1395         err = define_properties_valist(element, args);
1396
1397         va_end(args);
1398
1399         return err;
1400 }
1401
1402 int connman_element_create_property(struct connman_element *element,
1403                                                 const char *name, int type)
1404 {
1405         return -EIO;
1406 }
1407
1408 int connman_element_set_property(struct connman_element *element,
1409                                 enum connman_property_id id, const void *value)
1410 {
1411         switch (id) {
1412         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1413                 __connman_element_lock(element);
1414                 g_free(element->ipv4.address);
1415                 element->ipv4.address = g_strdup(*((const char **) value));
1416                 __connman_element_unlock(element);
1417                 break;
1418         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1419                 __connman_element_lock(element);
1420                 g_free(element->ipv4.netmask);
1421                 element->ipv4.netmask = g_strdup(*((const char **) value));
1422                 __connman_element_unlock(element);
1423                 break;
1424         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1425                 __connman_element_lock(element);
1426                 g_free(element->ipv4.gateway);
1427                 element->ipv4.gateway = g_strdup(*((const char **) value));
1428                 __connman_element_unlock(element);
1429                 break;
1430         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1431                 __connman_element_lock(element);
1432                 g_free(element->ipv4.nameserver);
1433                 element->ipv4.nameserver = g_strdup(*((const char **) value));
1434                 __connman_element_unlock(element);
1435                 break;
1436         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1437                 __connman_element_lock(element);
1438                 g_free(element->wifi.security);
1439                 element->wifi.security = g_strdup(*((const char **) value));
1440                 __connman_element_unlock(element);
1441                 break;
1442         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1443                 __connman_element_lock(element);
1444                 g_free(element->wifi.passphrase);
1445                 element->wifi.passphrase = g_strdup(*((const char **) value));
1446                 __connman_element_unlock(element);
1447                 break;
1448         default:
1449                 return -EINVAL;
1450         }
1451
1452 #if 0
1453         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1454                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
1455                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1456                                                         DBUS_TYPE_INVALID);
1457 #endif
1458
1459         return 0;
1460 }
1461
1462 int connman_element_get_value(struct connman_element *element,
1463                                 enum connman_property_id id, void *value)
1464 {
1465         if (element->type == CONNMAN_ELEMENT_TYPE_ROOT)
1466                 return -EINVAL;
1467
1468         switch (id) {
1469         case CONNMAN_PROPERTY_ID_IPV4_ADDRESS:
1470                 if (element->ipv4.address == NULL)
1471                         return connman_element_get_value(element->parent,
1472                                                                 id, value);
1473                 __connman_element_lock(element);
1474                 *((char **) value) = element->ipv4.address;
1475                 __connman_element_unlock(element);
1476                 break;
1477         case CONNMAN_PROPERTY_ID_IPV4_NETMASK:
1478                 if (element->ipv4.netmask == NULL)
1479                         return connman_element_get_value(element->parent,
1480                                                                 id, value);
1481                 __connman_element_lock(element);
1482                 *((char **) value) = element->ipv4.netmask;
1483                 __connman_element_unlock(element);
1484                 break;
1485         case CONNMAN_PROPERTY_ID_IPV4_GATEWAY:
1486                 if (element->ipv4.gateway == NULL)
1487                         return connman_element_get_value(element->parent,
1488                                                                 id, value);
1489                 __connman_element_lock(element);
1490                 *((char **) value) = element->ipv4.gateway;
1491                 __connman_element_unlock(element);
1492                 break;
1493         case CONNMAN_PROPERTY_ID_IPV4_NAMESERVER:
1494                 if (element->ipv4.nameserver == NULL)
1495                         return connman_element_get_value(element->parent,
1496                                                                 id, value);
1497                 __connman_element_lock(element);
1498                 *((char **) value) = element->ipv4.nameserver;
1499                 __connman_element_unlock(element);
1500                 break;
1501         case CONNMAN_PROPERTY_ID_WIFI_SECURITY:
1502                 if (element->wifi.security == NULL)
1503                         return connman_element_get_value(element->parent,
1504                                                                 id, value);
1505                 __connman_element_lock(element);
1506                 *((char **) value) = element->wifi.security;
1507                 __connman_element_unlock(element);
1508                 break;
1509         case CONNMAN_PROPERTY_ID_WIFI_PASSPHRASE:
1510                 if (element->wifi.passphrase == NULL)
1511                         return connman_element_get_value(element->parent,
1512                                                                 id, value);
1513                 __connman_element_lock(element);
1514                 *((char **) value) = element->wifi.passphrase;
1515                 __connman_element_unlock(element);
1516                 break;
1517         default:
1518                 return -EINVAL;
1519         }
1520
1521         return 0;
1522 }
1523
1524 gboolean connman_element_get_static_property(struct connman_element *element,
1525                                                 const char *name, void *value)
1526 {
1527         GSList *list;
1528         gboolean found = FALSE;
1529
1530         DBG("element %p name %s", element, element->name);
1531
1532         __connman_element_lock(element);
1533
1534         for (list = element->properties; list; list = list->next) {
1535                 struct connman_property *property = list->data;
1536
1537                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1538                         continue;
1539
1540                 if (g_str_equal(property->name, name) == TRUE) {
1541                         switch (property->type) {
1542                         case DBUS_TYPE_STRING:
1543                                 *((char **) value) = property->value;
1544                                 found = TRUE;
1545                                 break;
1546                         }
1547                         break;
1548                 }
1549         }
1550
1551         __connman_element_unlock(element);
1552
1553         return found;
1554 }
1555
1556 gboolean connman_element_get_static_array_property(struct connman_element *element,
1557                                         const char *name, void *value, int *len)
1558 {
1559         GSList *list;
1560         gboolean found = FALSE;
1561
1562         DBG("element %p name %s", element, element->name);
1563
1564         __connman_element_lock(element);
1565
1566         for (list = element->properties; list; list = list->next) {
1567                 struct connman_property *property = list->data;
1568
1569                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1570                         continue;
1571
1572                 if (g_str_equal(property->name, name) == TRUE) {
1573                         *((char **) value) = property->value;
1574                         *len = property->size;
1575                         found = TRUE;
1576                         break;
1577                 }
1578         }
1579
1580         __connman_element_unlock(element);
1581
1582         return found;
1583 }
1584
1585 gboolean connman_element_match_static_property(struct connman_element *element,
1586                                         const char *name, const void *value)
1587 {
1588         GSList *list;
1589         gboolean result = FALSE;
1590
1591         DBG("element %p name %s", element, element->name);
1592
1593         __connman_element_lock(element);
1594
1595         for (list = element->properties; list; list = list->next) {
1596                 struct connman_property *property = list->data;
1597
1598                 if (!(property->flags & CONNMAN_PROPERTY_FLAG_STATIC))
1599                         continue;
1600
1601                 if (g_str_equal(property->name, name) == FALSE)
1602                         continue;
1603
1604                 if (property->type == DBUS_TYPE_STRING)
1605                         result = g_str_equal(property->value,
1606                                                 *((const char **) value));
1607
1608                 if (result == TRUE)
1609                         break;
1610         }
1611
1612         __connman_element_unlock(element);
1613
1614         return result;
1615 }
1616
1617 static void append_devices(DBusMessageIter *entry)
1618 {
1619         DBusMessageIter value, iter;
1620         const char *key = "Devices";
1621
1622         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1623
1624         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1625                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1626                                                                 &value);
1627
1628         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1629                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1630
1631         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_DEVICE, &iter);
1632
1633         dbus_message_iter_close_container(&value, &iter);
1634
1635         dbus_message_iter_close_container(entry, &value);
1636 }
1637
1638 static void emit_devices_signal(DBusConnection *conn)
1639 {
1640         DBusMessage *signal;
1641         DBusMessageIter entry;
1642
1643         DBG("conn %p", conn);
1644
1645         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1646                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1647         if (signal == NULL)
1648                 return;
1649
1650         dbus_message_iter_init_append(signal, &entry);
1651
1652         append_devices(&entry);
1653
1654         g_dbus_send_message(conn, signal);
1655 }
1656
1657 static void emit_networks_signal(DBusConnection *conn,
1658                                         struct connman_element *device)
1659 {
1660         DBusMessage *signal;
1661         DBusMessageIter entry;
1662
1663         DBG("conn %p", conn);
1664
1665         if (device == NULL)
1666                 return;
1667
1668         signal = dbus_message_new_signal(device->path,
1669                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
1670         if (signal == NULL)
1671                 return;
1672
1673         dbus_message_iter_init_append(signal, &entry);
1674
1675         append_networks(device, &entry);
1676
1677         g_dbus_send_message(conn, signal);
1678 }
1679
1680 static void append_connections(DBusMessageIter *entry)
1681 {
1682         DBusMessageIter value, iter;
1683         const char *key = "Connections";
1684
1685         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1686
1687         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1688                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
1689                                                                 &value);
1690
1691         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
1692                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
1693
1694         __connman_element_list(NULL, CONNMAN_ELEMENT_TYPE_CONNECTION, &iter);
1695
1696         dbus_message_iter_close_container(&value, &iter);
1697
1698         dbus_message_iter_close_container(entry, &value);
1699 }
1700
1701 static void emit_connections_signal(DBusConnection *conn)
1702 {
1703         DBusMessage *signal;
1704         DBusMessageIter entry;
1705
1706         DBG("conn %p", conn);
1707
1708         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1709                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1710         if (signal == NULL)
1711                 return;
1712
1713         dbus_message_iter_init_append(signal, &entry);
1714
1715         append_connections(&entry);
1716
1717         g_dbus_send_message(conn, signal);
1718 }
1719
1720 static void append_state(DBusMessageIter *entry, const char *state)
1721 {
1722         DBusMessageIter value;
1723         const char *key = "State";
1724
1725         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
1726
1727         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
1728                                         DBUS_TYPE_STRING_AS_STRING, &value);
1729
1730         dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &state);
1731
1732         dbus_message_iter_close_container(entry, &value);
1733 }
1734
1735 static void emit_state_change(DBusConnection *conn, const char *state)
1736 {
1737         DBusMessage *signal;
1738         DBusMessageIter entry;
1739
1740         DBG("conn %p", conn);
1741
1742         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
1743                                 CONNMAN_MANAGER_INTERFACE, "PropertyChanged");
1744         if (signal == NULL)
1745                 return;
1746
1747         dbus_message_iter_init_append(signal, &entry);
1748
1749         append_state(&entry, state);
1750
1751         g_dbus_send_message(conn, signal);
1752 }
1753
1754 static void register_element(gpointer data, gpointer user_data)
1755 {
1756         struct connman_element *element = data;
1757         const gchar *basepath;
1758         GSList *list;
1759         GNode *node;
1760
1761         __connman_element_lock(element);
1762
1763         if (element->parent) {
1764                 node = g_node_find(element_root, G_PRE_ORDER,
1765                                         G_TRAVERSE_ALL, element->parent);
1766                 basepath = element->parent->path;
1767
1768                 if (element->subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN)
1769                         element->subtype = element->parent->subtype;
1770         } else {
1771                 element->parent = element_root->data;
1772
1773                 node = element_root;
1774                 basepath = "";
1775         }
1776
1777         element->path = g_strdup_printf("%s/%s", basepath, element->name);
1778
1779         set_reference_properties(element);
1780
1781         __connman_element_unlock(element);
1782
1783         DBG("element %p path %s", element, element->path);
1784
1785         __connman_element_load(element);
1786
1787         g_node_append_data(node, element);
1788
1789 #if 0
1790         if (g_dbus_register_interface(connection, element->path,
1791                                         CONNMAN_ELEMENT_INTERFACE,
1792                                         element_methods, element_signals,
1793                                         NULL, element, NULL) == FALSE)
1794                 connman_error("Failed to register %s element", element->path);
1795 #endif
1796
1797         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1798                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1799                 if (g_dbus_register_interface(connection, element->path,
1800                                         CONNMAN_DEVICE_INTERFACE,
1801                                         device_methods, element_signals,
1802                                         NULL, element, NULL) == FALSE)
1803                         connman_error("Failed to register %s device",
1804                                                                 element->path);
1805                 else
1806                         emit_devices_signal(connection);
1807         }
1808
1809         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK) {
1810                 if (g_dbus_register_interface(connection, element->path,
1811                                         CONNMAN_NETWORK_INTERFACE,
1812                                         network_methods, element_signals,
1813                                         NULL, element, NULL) == FALSE)
1814                         connman_error("Failed to register %s network",
1815                                                                 element->path);
1816                 else
1817                         emit_networks_signal(connection, element->parent);
1818         }
1819
1820         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1821                 if (g_dbus_register_interface(connection, element->path,
1822                                         CONNMAN_CONNECTION_INTERFACE,
1823                                         connection_methods, element_signals,
1824                                         NULL, element, NULL) == FALSE)
1825                         connman_error("Failed to register %s connection",
1826                                                                 element->path);
1827                 else {
1828                         emit_connections_signal(connection);
1829                         emit_state_change(connection, "online");
1830                 }
1831         }
1832
1833 #if 0
1834         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1835                                 CONNMAN_MANAGER_INTERFACE, "ElementAdded",
1836                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1837                                                         DBUS_TYPE_INVALID);
1838 #endif
1839
1840         __connman_element_store(element);
1841
1842         for (list = driver_list; list; list = list->next) {
1843                 struct connman_driver *driver = list->data;
1844
1845                 if (match_driver(element, driver) == FALSE)
1846                         continue;
1847
1848                 DBG("driver %p name %s", driver, driver->name);
1849
1850                 if (driver->probe(element) == 0) {
1851                         __connman_element_lock(element);
1852                         element->driver = driver;
1853                         __connman_element_unlock(element);
1854
1855                         enable_element(element);
1856                         break;
1857                 }
1858         }
1859 }
1860
1861 /**
1862  * connman_element_register:
1863  * @element: the element to register
1864  * @parent: the parent to register the element with
1865  *
1866  * Register an element with the core. It will be register under the given
1867  * parent of if %NULL is provided under the root element.
1868  *
1869  * Returns: %0 on success
1870  */
1871 int connman_element_register(struct connman_element *element,
1872                                         struct connman_element *parent)
1873 {
1874         DBG("element %p name %s parent %p", element, element->name, parent);
1875
1876         if (element->devname == NULL)
1877                 element->devname = g_strdup(element->name);
1878
1879         if (device_filter && element->type == CONNMAN_ELEMENT_TYPE_DEVICE) {
1880                 if (g_pattern_match_simple(device_filter,
1881                                                 element->devname) == FALSE) {
1882                         DBG("ignoring %s [%s] device", element->name,
1883                                                         element->devname);
1884                         return -EPERM;
1885                 }
1886         }
1887
1888         if (connman_element_ref(element) == NULL)
1889                 return -EINVAL;
1890
1891         __connman_element_lock(element);
1892
1893         if (element->name == NULL) {
1894                 element->name = g_strdup(type2string(element->type));
1895                 if (element->name == NULL) {
1896                         __connman_element_unlock(element);
1897                         return -EINVAL;
1898                 }
1899         }
1900
1901         element->parent = parent;
1902
1903         __connman_element_unlock(element);
1904
1905         register_element(element, NULL);
1906
1907         return 0;
1908 }
1909
1910 static gboolean remove_element(GNode *node, gpointer user_data)
1911 {
1912         struct connman_element *element = node->data;
1913         struct connman_element *root = user_data;
1914
1915         DBG("element %p name %s", element, element->name);
1916
1917         if (element == root)
1918                 return FALSE;
1919
1920         if (element->driver) {
1921                 disable_element(element);
1922
1923                 if (element->driver->remove)
1924                         element->driver->remove(element);
1925
1926                 __connman_element_lock(element);
1927                 element->driver = NULL;
1928                 __connman_element_unlock(element);
1929         }
1930
1931         if (node != NULL) {
1932                 g_node_unlink(node);
1933                 g_node_destroy(node);
1934         }
1935
1936 #if 0
1937         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
1938                                 CONNMAN_MANAGER_INTERFACE, "ElementRemoved",
1939                                 DBUS_TYPE_OBJECT_PATH, &element->path,
1940                                                         DBUS_TYPE_INVALID);
1941 #endif
1942
1943         if (element->type == CONNMAN_ELEMENT_TYPE_CONNECTION) {
1944                 emit_state_change(connection, "offline");
1945                 emit_connections_signal(connection);
1946
1947                 g_dbus_unregister_interface(connection, element->path,
1948                                                 CONNMAN_CONNECTION_INTERFACE);
1949         }
1950
1951         if (element->type == CONNMAN_ELEMENT_TYPE_NETWORK)
1952                 g_dbus_unregister_interface(connection, element->path,
1953                                                 CONNMAN_NETWORK_INTERFACE);
1954
1955         if (element->type == CONNMAN_ELEMENT_TYPE_DEVICE &&
1956                         element->subtype != CONNMAN_ELEMENT_SUBTYPE_NETWORK) {
1957                 emit_devices_signal(connection);
1958
1959                 g_dbus_unregister_interface(connection, element->path,
1960                                                 CONNMAN_DEVICE_INTERFACE);
1961         }
1962
1963 #if 0
1964         g_dbus_unregister_interface(connection, element->path,
1965                                                 CONNMAN_ELEMENT_INTERFACE);
1966 #endif
1967
1968         connman_element_unref(element);
1969
1970         return FALSE;
1971 }
1972
1973 void connman_element_unregister(struct connman_element *element)
1974 {
1975         GNode *node;
1976
1977         DBG("element %p name %s", element, element->name);
1978
1979         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1980
1981         if (node != NULL)
1982                 g_node_traverse(node, G_POST_ORDER,
1983                                 G_TRAVERSE_ALL, -1, remove_element, NULL);
1984 }
1985
1986 void connman_element_unregister_children(struct connman_element *element)
1987 {
1988         GNode *node;
1989
1990         DBG("element %p name %s", element, element->name);
1991
1992         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
1993
1994         if (node != NULL)
1995                 g_node_traverse(node, G_POST_ORDER,
1996                                 G_TRAVERSE_ALL, -1, remove_element, element);
1997 }
1998
1999 static gboolean update_element(GNode *node, gpointer user_data)
2000 {
2001         struct connman_element *element = node->data;
2002
2003         DBG("element %p name %s", element, element->name);
2004
2005         if (element->driver && element->driver->update)
2006                 element->driver->update(element);
2007
2008 #if 0
2009         g_dbus_emit_signal(connection, CONNMAN_MANAGER_PATH,
2010                                 CONNMAN_MANAGER_INTERFACE, "ElementUpdated",
2011                                 DBUS_TYPE_OBJECT_PATH, &element->path,
2012                                                         DBUS_TYPE_INVALID);
2013 #endif
2014
2015         return FALSE;
2016 }
2017
2018 void connman_element_update(struct connman_element *element)
2019 {
2020         GNode *node;
2021
2022         DBG("element %p name %s", element, element->name);
2023
2024         node = g_node_find(element_root, G_PRE_ORDER, G_TRAVERSE_ALL, element);
2025
2026         if (node != NULL)
2027                 g_node_traverse(node, G_PRE_ORDER,
2028                                 G_TRAVERSE_ALL, -1, update_element, NULL);
2029 }
2030
2031 int connman_element_set_enabled(struct connman_element *element,
2032                                                         gboolean enabled)
2033 {
2034         if (element->enabled == enabled)
2035                 return 0;
2036
2037         element->enabled = enabled;
2038
2039         connman_element_update(element);
2040
2041         return 0;
2042 }
2043
2044 int __connman_element_init(DBusConnection *conn, const char *device)
2045 {
2046         struct connman_element *element;
2047
2048         DBG("conn %p", conn);
2049
2050         connection = dbus_connection_ref(conn);
2051         if (connection == NULL)
2052                 return -EIO;
2053
2054         device_filter = g_strdup(device);
2055
2056         element = connman_element_create("root");
2057
2058         element->path = g_strdup("/");
2059         element->type = CONNMAN_ELEMENT_TYPE_ROOT;
2060
2061         create_default_properties(element);
2062
2063         element_root = g_node_new(element);
2064
2065         __connman_device_init();
2066
2067         return 0;
2068 }
2069
2070 static gboolean free_driver(GNode *node, gpointer data)
2071 {
2072         struct connman_element *element = node->data;
2073
2074         DBG("element %p name %s", element, element->name);
2075
2076         if (element->driver) {
2077                 disable_element(element);
2078
2079                 if (element->driver->remove)
2080                         element->driver->remove(element);
2081
2082                 __connman_element_lock(element);
2083                 element->driver = NULL;
2084                 __connman_element_unlock(element);
2085         }
2086
2087         return FALSE;
2088 }
2089
2090 static gboolean free_node(GNode *node, gpointer data)
2091 {
2092         struct connman_element *element = node->data;
2093
2094         DBG("element %p name %s", element, element->name);
2095
2096         if (g_node_depth(node) > 1)
2097                 connman_element_unregister(element);
2098
2099         return FALSE;
2100 }
2101
2102 void __connman_element_cleanup(void)
2103 {
2104         DBG("");
2105
2106         __connman_device_cleanup();
2107
2108         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
2109                                                         free_driver, NULL);
2110
2111         g_node_traverse(element_root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
2112                                                         free_node, NULL);
2113
2114         g_node_destroy(element_root);
2115         element_root = NULL;
2116
2117         g_free(device_filter);
2118
2119         dbus_connection_unref(connection);
2120 }